Util Tools Developer Tools
Encoders, formatters, generators, and converters for everyday coding.
UUID Generator
Generate random UUID v1, v4, and v7 values instantly.
Open tool →Base64 Encoder / Decoder
Encode or decode Base64 strings and files in your browser.
Open tool →URL Encoder / Decoder
Encode or decode URLs and query strings instantly.
Open tool →Diff Checker
Compare two blocks of text with line-by-line highlighting.
Open tool →HTML Entity Encoder / Decoder
Convert special characters to HTML entities and back.
Open tool →JSON Formatter & Validator
Format, minify, and validate JSON with syntax highlighting and tree view.
Open tool →SQL Formatter
Format and beautify SQL queries across MySQL, PostgreSQL, SQLite, and MSSQL.
Open tool →Timestamp Converter
Convert Unix timestamps to human-readable dates and back.
Open tool →Color Code Converter
Convert colors between HEX, RGB, HSL, HSV, and CMYK with a picker.
Open tool →YAML Validator & Formatter
Validate, format, and convert YAML to and from JSON.
Open tool →